Section 153A applies if incriminating material is found even if assessments are completed

  The Assessing Officer has the power under Section 153A to make assessment for all the six years and compute the total income of the assessee, including the undisclosed income, notwithstanding that the assessee filed returns before the date of search which stood  processed under Section 143(1)(a). The other reason given by the Tribunal in the same paragraph of its order that no material was found during the search is factually unsustainable since the entire case and arguments before the departmental authorities as well as the Tribunal had proceeded on the basis that the document embodying t...